Konica Corporation

Junichi Fukawa

Takeo Arai

Takeshi Habu

Yasuhiko Takamuki

Takeshi Sampei

Yuji Hosoi

Akira Kobayashi

Seiji Hidaka

Kenji Goto

A method of processing a silver halide photographic material is disclosed, comprising on a support a light sensitive silver halide emulsion layer, wherein the light-sensitive layer contains a spectral-sensitizing dye represented by formula (1-a); a developer solution contains a developing agent represented by formula (A); and the replenishing rate of a processing solution is determined based on the proportion of an exposed area per unit area of the photographic material to perform replenishment.

Processing method of silver halide photographic light sensitive material

A silver halide black-and-white photographic light sensitive material is disclosed, comprising a support provided thereon a silver halide emulsion layer and provided farther from the support another higher-sensitive silver halide emulsion layer, wherein both silver halide emulsion layers each have a coating weight of silver of not less than 0.5 g/m.sup.2 and are sensitized substantially to the same spectral region; at least two, different hydrazine compounds being contained in the silver halide emulsion layers or another photographic component layer.

Silver halide black and white photographic light sensitive material

A silver halide photographic light sensitive material is disclosed which comprises a support and provided thereon, a hydrophilic colloid layer comprising at least one silver halide emulsion layer and at least one non-light sensitive layer, the hydrophilic colloid layer being hardened with at least one hardener selected from the group consisting of a carboxyl active hardener, a vinylsulfone type hardener, an epoxy type hardener and a triazine type hardener, wherein a silver halide emulsion layer closest to the support of the silver halide emulsion layers contains a dye in the form of dispersed solid particles or a non-light sensitive layer closest to the support of the non-light sensitive hydrophilic colloid layers contains a dye in the form of dispersed solid particles, and the thickness swell percentage of the photographic component layer is 10 to 100%.

Silver halide photographic light-sensitive material and its developing

A method for processing a black-and-white silver halide photographic light-sensitive material comprising the steps of

Method for processing black-and-white silver halide photographic

A method of processing, by use of an automatic processor, a black-and-white silver halide photographic light-sensitive material containing a hydrazine compound and a redox compound capable of releasing an inhibitor upon oxidation, wherein a developer is replenished by a developer replenisher at a rate of not more than 200 ml per m.sup.2 of the photographic material, and the developer has a pH of 9.5 to 10.8. The developer further contains a compound represented by the following formulas [1], [2] or [3]. ##STR1##

Method for processing a black-and-white silver halide photographic

Disclosed is a silver halide photographic light-sensitive material that comprises a support having thereon at least one silver halide light-sensitive emulsion layer, wherein emulsion layer is spectrally sensitized; the back coating layer side of said light-sensitive material has a specific surface resistance of 1  10.sup.9 to 1  10.sup.12 .OMEGA.at 25.degree. C. and 25% RH; and said light-sensitive photographic material curls in the direction of said back coating layer side. The silver halide photographic light-sensitive material according to this invention does not undergo jamming even in electrostatic charge adsorption type cameras, and is improved in anti-static property.

Silver halide photographic light-sensitive material improved in

Disclosed is a light-sensitive silver halide photographic material having a hydrophilic colloid layer containing at least one layer of a light-sensitive silver halide emulsion layer provided on a support, wherein a hydrazide derivative is contained in the light-sensitive silver halide emulsion layer, and the above hydrophilic colloid layer contains at least one of the compounds represented by Formulae [II] and [III] shown below: ##STR1## wherein R1, R2 and R3 are as defined in the specification, ##STR2## wherein R1 and R2 are as defined in the specification.

Light-sensitive silver halide photographic material

There is disclosed a light-sensitive silver halide photographic material which comprises, in a light-sensitive silver halide photographic material provided by coating at least one layer of hydrophilic colloidal layer including light-sensitive silver halide photographic emulsion layer on a support, containing a specific hydrazide derivative in the light-sensitive silver halide emulsion layer and containing, in the hydrophilic colloidal layer, at least one compound selected from each of the groups A and B consisting of the compounds represented by the formulae (II) to (VII) as specified in the specification.

A processing method for silver halide photographic material is disclosed, which stably provides images having high contrast and high dot quality with little degradation in sensitivity by rapid processing. In the method, a silver halide light-sensitive material having a silver halide emulsion layer containing a 3-pyrazolidone type compound, a dihydroxybenzene type compound or trihydroxybenzene type compound, is developed by a developer containing a di- or trihydroxybenzene type compound; a sulfite and an amino compound in the presence of a compound represented by the following Formula 1, 2 and 3; ##STR1##

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Hino, Japan

Junichi Fukawa